On 30-05-15 07:34, Ross Finlayson wrote:
In my situation, I have multiple cameras with a unique ip address and
port number, but the remaining url could be the same as another
camera. When using the proxy server I can register both back-end urls
but not at different ports (because only one port is used when
creating the RTSPServerWithREGISTERProxying object).
I’m not sure I understand what you’re referring to here, but I suspect
that you may be confused about which port numbers are used where. The
proxy server’s port number is the port number that 'front-end clients
use when communicating with the proxy server. However, the port
number that’s used by the ‘back-end’ stream is the one that’s
mentioned (either implicitly or explicitly) in the “rtsp://“
<rtsp://%93> URL that you register with the proxy server. (By
default, this port number - if it’s not included explicitly in the
“rtsp://“ <rtsp://%93> URL - is 554, but if can be any other port
number.) Or alternatively, if you use the ‘REGISTER’ mechanism asking
to reuse the TCP connection, then the ‘back-end’ stream’s port number
will be whatever ephemeral port number was used to receive the
‘REGISTER’ command . In either case, this port number (which can be
different for different ‘back-end’ streams) is completely independent
of whatever port number is used by the proxy server.
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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Hi Ross,
Thank you for your answer. Maybe I can explain it a bit more with an
example.
Old situation: Clients directly connect to different back-end streams
(i.e. cameras). Suppose we have two cameras with the following url:
Camera 1: rtsp://192.168.1.1:1234/camera_stream_1
Camera 2: rtsp://192.168.1.2:4567/camera_stream_2
New situation: Clients connect through a proxy server with the back-end
streams. Suppose the proxy server is started and both urls are
registered. When instantiating the proxy server the proxy port is
specified at 7621:
RTSPServerWithREGISTERProxying::createNew(*env, 7621, NULL, NULL,
65, False, verbosityLevel)
For the back-end streams the clients have to play either the url
rtsp://172.16.1.1:7621/camera_stream_1 or
rtsp://172.16.1.1:7621/camera_stream_2. There is only a difference in
the url suffix, not in the used port (both are 7621).
The problem is, I have cameras in my network which have the same url
suffix (camera_stream_equal). How can I distinguish (from a clients
point of view) between these cameras? I guess the only way to make a
difference is to give both cameras a unique url suffix when registering?
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